You're looking som sigmatel ac9721 win7 for Windows. It's 100% safe, uploaded from checked source and passed F-Secure antivirus scan!
Driver Details:
File name: somsigmatelac9721win7.exe
Version: 1.1.9
File size: 2 951 KB
OS: Win XP, Win Vista, Windows 7, Windows 8
Upload source: manufactuter website